#include<bits/stdc++.h>
using namespace std;
int n,r[100005];
int main()
{
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    cin>>n;
    int c=n;
    for(int i=1;i<=n;i++)
    {
        cin>>r[i];
    }
    sort(r+1,r+n+1);
    int sum=1;
    for(int i=2;i<=n;i++)
    {
        if(r[i]>r[sum])
        {
            sum++;
            c--;
        }
    }
    cout<<c;
    return 0;
}
